2220102202021 has 8 divisors (see below), whose sum is σ = 2445909177888. Its totient is φ = 1998291810000.

The previous prime is 2220102202007. The next prime is 2220102202037. The reversal of 2220102202021 is 1202022010222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220102202021 - 2⁹ = 2220102201509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220102201986 and 2220102202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220102202051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999144795 + ... + 999147016.

It is an arithmetic number, because the mean of its divisors is an integer number (305738647236).

Almost surely, 2^{2220102202021} is an apocalyptic number.

It is an amenable number.

2220102202021 is a deficient number, since it is larger than the sum of its proper divisors (225806975867).

2220102202021 is a wasteful number, since it uses less digits than its factorization.

2220102202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998291923.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220102202021 its reverse (1202022010222), we get a palindrome (3422124212243).

The spelling of 2220102202021 in words is "two trillion, two hundred twenty billion, one hundred two million, two hundred two thousand, twenty-one".